Chen Yahui1; Liu Fuhu1; Sarkisyangrinbaum Edward K2
Source Publicationchinesephysicsc
AbstractRapidity-dependent transverse momentum spectra of negatively charged pions measured at different rapidities in proton-proton collisions at the Super Proton Synchrotron (SPS) at various energies within its Beam Energy Scan (BES) program are investigated by using one- and two-component standard distributions where the chemical potential and spin property of particles are implemented. The rapidity spectra are described by a double-Gaussian distribution. At the stage of kinetic freeze-out, the event patterns are structured by the scatter plots in the three-dimensional subspaces of velocity, momentum and rapidity. The results of the studies of the rapidity-independent transverse mass spectra measured at mid-rapidity in proton-proton collisions are compared with those based on the similar transverse mass spectra measured in the most central beryllium-beryllium, argon-scandium and lead-lead collisions from the SPS at its BES energies.
Funding Project[National Natural Science Foundation of China] ; [Shanxi Provincial Natural Science Foundation] ; [Fund for Shanxi "1331 Project" Key Subjects Construction]
Document Type期刊论文
Recommended Citation
GB/T 7714
Chen Yahui,Liu Fuhu,Sarkisyangrinbaum Edward K. eventpatternsfromnegativepionspectrainprotonprotonandnucleusnucleuscollisionsatsps[J]. chinesephysicsc,2018,42(10):103.
APA Chen Yahui,Liu Fuhu,&Sarkisyangrinbaum Edward K.(2018).eventpatternsfromnegativepionspectrainprotonprotonandnucleusnucleuscollisionsatsps.chinesephysicsc,42(10),103.
MLA Chen Yahui,et al."eventpatternsfromnegativepionspectrainprotonprotonandnucleusnucleuscollisionsatsps".chinesephysicsc 42.10(2018):103.
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